reticentrobbie reticentrobbie

01-01-2021
Mathematics

contestada

What is the solution to the system below?
-4x + 5y = 27
x - 6y = -2

Respuesta :

jamyangnorzin jamyangnorzin

01-01-2021

Step-by-step explanation:

I used substitution method

-4x+5y=27

x-6y=-2

substitute x=-2+6y

I am again using : x-6y=-2

x(-2+6y)-6y=-2

-2+y=-2

y=-2÷2

y=-1

finding x:(substituting y=-1)

x-6y=-2

x-6(-1)=-2

x+6=-2

x=-2-6

x=-8

check:

-4x+5y=27

-4(-8)+5(-1)=27

32+-5=27

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